饲料工业2026，Vol.47Issue(2)：42-47,6.DOI:10.13302/j.cnki.fi.2026.02.006
硒化党参多糖的制备及其对蛋雏鸡生长性能、免疫功能及抗氧化能力的影响
Preparation of Selenizing Codonopsis pilosula Polysaccharides and Its Effect on Growth Performance,Immune Function and Antioxidant Capacity of Layer Chickens
摘要
Abstract
To investigate the effects of selenizing Codonopsis pilosula polysaccharide(sCPP)on growth per-formance,immune organs and serum antioxidant capacity of Hy-line brown laying chickens.Selenizing Codonopsis pilosula polysaccharide was prepared by nitric acid-sodium selenite(HNO2-Na2SeO3)method,followed by a feeding trial one hundred and twenty 1-day-old Hy-line Brown layer chickens were randomly divided into 6 groups with 4 replicates in each group and 5 chickens in each replicate after 7 d of pre-feeding for the formal experiment.The blank control group was fed the basal diet,the Codonopsis pilosula polysaccharide(CPP)group was supplemented with 100 mg/kg CPP based on the basal diet,while the sCPP1,sCPP2,and sCPP3 groups were supplemented with 50,100,and 150 mg/kg sCPP,respectively.The Na2SeO3 group received a supplementation of 0.3 mg/kg Na2SeO3 in addition to the basal diet.The growth performance,immune organs indexes and serum antioxidant capacity of the chickens in different treatment groups were investigated during a pre-feeding period of 7 d and a positive test period of 28 d.The results showed as follows:① the opti-mum modification conditions were as follows:adding 300 mg sodium selenite per 500 mg polysaccharide,reaction temperature 90℃,reaction time 6 h,selenium content 3.97 mg/g.② Compared with blank control group,the average daily gain in sCPP3 group was significantly increased by 13.9％(P<0.05);Spleen index in sCPP2 group was significantly increased by 38.8％(P<0.05).The thymus index in sCPP1 and sCPP3 groups was significantly increased by 39.2％and 40.7％(P<0.05).③ Compared with CPP group and Na2SeO3 group,sCPP groups significantly increased the activities of T-AOC,SOD,CAT and GSH-Px of layer chickens(P<0.05),and significantly decreased the content of MDA(P<0.05).In conclusion,the addition of 100-150 mg/kg of selenizing Codonopsis pilosula polysaccharide to the diet can improves the growth performance of chickens and enhances their immune function and antioxidant capacity.关键词
硒化党参多糖/蛋雏鸡/生长性能/免疫器官/抗氧化能力Key words
selenizing Codonopsis pilosula polysaccharides/layer chickens/growth performance/immune organs/antioxidant capacity分类
农业科技引用本文复制引用
杨雪,王碧晗,刘雨,张伟..硒化党参多糖的制备及其对蛋雏鸡生长性能、免疫功能及抗氧化能力的影响[J].饲料工业,2026,47(2):42-47,6.基金项目
天津市技术创新引导专项(基金)企业科技特派员项目[23YDTPJC00440] （基金）
天津市科技计划项目[21ZYCGN00510] （）
